Year	% of GDP
1960	1.6789461933467291
1961	2.22495894909688
1962	2.5136099117702275
1963	5.242329149232915
1964	6.504719170663778
1965	6.367688022284122
1966	6.866666666666667
1967	6.668894086201135
1968	7.5323783359497645
1969	7.883918869974647
1970	8.78165866578381
1971	9.11339889366933
1972	10.131578947368421
1973	10.9951725229503
1974	10.531575691238757
1975	11.67525666070909
1976	13.66583130590667
1977	15.874638051439277
1978	17.314699077152206
1979	17.881055315375235
1980	17.089463022588323
1981	16.664982729752843
1982	27.08549561693525
1983	17.139048774654515
1984	14.295284728884896
1985	19.041081061532946
1986	12.825619564625908
1987	15.398910900971236
1988	17.13849406233912
1989	20.71151383481254
1990	24.02556072348691
1991	28.660167410648192
1992	36.304614435010144
1993	45.49823773645278
1994	49.93605901220957
1995	48.2018453881021
1996	52.73169211419811
1997	58.269799501252365
1998	64.04721237501451
1999	64.444844785097
2000	58.71540711158065
2001	53.36325816368161
2002	50.74018069714937
2003	47.66122531195489
2004	42.426975553874485
2005	39.60325274314436
2006	35.17471791117797
2007	34.343997602081735
2008	31.492648399808548
2009	34.01830450625571
2010	36.02344301873701
2011	36.75009199903877
2012	38.963868396531694
2013	40.9269482672369
2014	43.74674387491146
2015	51.44693906410637
2016	57.40652006964626
2017	58.61565202459348
2018	62.626341992375586
2019	65.8382056109142
2020	80.16569527896367
2021	75.99308037770308
2022	74.18414172221016